[mirror_edk2.git] / MdePkg / Library / PeiServicesLib / PeiServicesLib.c

/** @file\r
  Implementation for PEI Services Library.\r
\r
  Copyright (c) 2006 - 2007, Intel Corporation<BR>\r
  All rights reserved. This program and the accompanying materials\r
  are licensed and made available under the terms and conditions of the BSD License\r
  which accompanies this distribution.  The full text of the license may be found at\r
  http://opensource.org/licenses/bsd-license.php\r
\r
  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
\r
  Module Name:  PeiServicesLib.c\r
\r
**/\r
\r
//\r
// The package level header files this module uses\r
//\r
#include <PiPei.h>\r
//\r
// The protocols, PPI and GUID defintions for this module\r
//\r
//\r
// The Library classes this module consumes\r
//\r
#include <Library/PeiServicesLib.h>\r
#include <Library/PeiServicesTablePointerLib.h>\r
\r
/**\r
  This service enables a given PEIM to register an interface into the PEI Foundation.\r
\r
  @param  PpiList               A pointer to the list of interfaces that the caller shall install.\r
\r
  @retval EFI_SUCCESS           The interface was successfully installed.\r
  @retval EFI_INVALID_PARAMETER The PpiList pointer is NULL.\r
  @retval EFI_INVALID_PARAMETER Any of the PEI PPI descriptors in the list do not have the\r
                                EFI_PEI_PPI_DESCRIPTOR_PPI bit set in the Flags field.\r
  @retval EFI_OUT_OF_RESOURCES  There is no additional space in the PPI database.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
PeiServicesInstallPpi (\r
  IN EFI_PEI_PPI_DESCRIPTOR     *PpiList\r
  )\r
{\r
  EFI_PEI_SERVICES  **PeiServices;\r
\r
  PeiServices = GetPeiServicesTablePointer ();\r
  return (*PeiServices)->InstallPpi (PeiServices, PpiList);\r
}\r
\r
/**\r
  This service enables PEIMs to replace an entry in the PPI database with an alternate entry.\r
\r
  @param  OldPpi                Pointer to the old PEI PPI Descriptors.\r
  @param  NewPpi                Pointer to the new PEI PPI Descriptors.\r
\r
  @retval EFI_SUCCESS           The interface was successfully installed.\r
  @retval EFI_INVALID_PARAMETER The OldPpi or NewPpi is NULL.\r
  @retval EFI_INVALID_PARAMETER Any of the PEI PPI descriptors in the list do not have the\r
                                EFI_PEI_PPI_DESCRIPTOR_PPI bit set in the Flags field.\r
  @retval EFI_OUT_OF_RESOURCES  There is no additional space in the PPI database.\r
  @retval EFI_NOT_FOUND         The PPI for which the reinstallation was requested has not been\r
                                installed.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
PeiServicesReInstallPpi (\r
  IN EFI_PEI_PPI_DESCRIPTOR     *OldPpi,\r
  IN EFI_PEI_PPI_DESCRIPTOR     *NewPpi\r
  )\r
{\r
  EFI_PEI_SERVICES  **PeiServices;\r
\r
  PeiServices = GetPeiServicesTablePointer ();\r
  return (*PeiServices)->ReInstallPpi (PeiServices, OldPpi, NewPpi);\r
}\r
\r
/**\r
  This service enables PEIMs to discover a given instance of an interface.\r
\r
  @param  Guid                  A pointer to the GUID whose corresponding interface needs to be\r
                                found.\r
  @param  Instance              The N-th instance of the interface that is required.\r
  @param  PpiDescriptor         A pointer to instance of the EFI_PEI_PPI_DESCRIPTOR.\r
  @param  Ppi                   A pointer to the instance of the interface.\r
\r
  @retval EFI_SUCCESS           The interface was successfully returned.\r
  @retval EFI_NOT_FOUND         The PPI descriptor is not found in the database.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
PeiServicesLocatePpi (\r
  IN EFI_GUID                   *Guid,\r
  IN UINTN                      Instance,\r
  IN OUT EFI_PEI_PPI_DESCRIPTOR **PpiDescriptor,\r
  IN OUT VOID                   **Ppi\r
  )\r
{\r
  EFI_PEI_SERVICES  **PeiServices;\r
\r
  PeiServices = GetPeiServicesTablePointer ();\r
  return (*PeiServices)->LocatePpi (PeiServices, Guid, Instance, PpiDescriptor, Ppi);\r
}\r
\r
/**\r
  This service enables PEIMs to register a given service to be invoked when another service is\r
  installed or reinstalled.\r
\r
  @param  NotifyList            A pointer to the list of notification interfaces that the caller\r
                                shall install.\r
\r
  @retval EFI_SUCCESS           The interface was successfully installed.\r
  @retval EFI_INVALID_PARAMETER The NotifyList pointer is NULL.\r
  @retval EFI_INVALID_PARAMETER Any of the PEI notify descriptors in the list do not have the\r
                                EFI_PEI_PPI_DESCRIPTOR_NOTIFY_TYPES bit set in the Flags field.\r
  @retval EFI_OUT_OF_RESOURCES  There is no additional space in the PPI database.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
PeiServicesNotifyPpi (\r
  IN EFI_PEI_NOTIFY_DESCRIPTOR  *NotifyList\r
  )\r
{\r
  EFI_PEI_SERVICES  **PeiServices;\r
\r
  PeiServices = GetPeiServicesTablePointer ();\r
  return (*PeiServices)->NotifyPpi (PeiServices, NotifyList);\r
}\r
\r
/**\r
  This service enables PEIMs to ascertain the present value of the boot mode.\r
\r
  @param  BootMode              A pointer to contain the value of the boot mode.\r
\r
  @retval EFI_SUCCESS           The boot mode was returned successfully.\r
  @retval EFI_INVALID_PARAMETER BootMode is NULL.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
PeiServicesGetBootMode (\r
  IN OUT EFI_BOOT_MODE          *BootMode\r
  )\r
{\r
  EFI_PEI_SERVICES  **PeiServices;\r
\r
  PeiServices = GetPeiServicesTablePointer ();\r
  return (*PeiServices)->GetBootMode (PeiServices, BootMode);\r
}\r
\r
/**\r
  This service enables PEIMs to update the boot mode variable.\r
\r
  @param  BootMode              The value of the boot mode to set.\r
\r
  @retval EFI_SUCCESS           The value was successfully updated\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
PeiServicesSetBootMode (\r
  IN EFI_BOOT_MODE              BootMode\r
  )\r
{\r
  EFI_PEI_SERVICES  **PeiServices;\r
\r
  PeiServices = GetPeiServicesTablePointer ();\r
  return (*PeiServices)->SetBootMode (PeiServices, BootMode);\r
}\r
\r
/**\r
  This service enables a PEIM to ascertain the address of the list of HOBs in memory.\r
\r
  @param  HobList               A pointer to the list of HOBs that the PEI Foundation will initialize.\r
\r
  @retval EFI_SUCCESS           The list was successfully returned.\r
  @retval EFI_NOT_AVAILABLE_YET The HOB list is not yet published.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
PeiServicesGetHobList (\r
  IN OUT VOID                   **HobList\r
  )\r
{\r
  EFI_PEI_SERVICES  **PeiServices;\r
\r
  PeiServices = GetPeiServicesTablePointer ();\r
  return (*PeiServices)->GetHobList (PeiServices, HobList);\r
}\r
\r
/**\r
  This service enables PEIMs to create various types of HOBs.\r
\r
  @param  Type                  The type of HOB to be installed.\r
  @param  Length                The length of the HOB to be added.\r
  @param  Hob                   The address of a pointer that will contain the HOB header.\r
\r
  @retval EFI_SUCCESS           The HOB was successfully created.\r
  @retval EFI_OUT_OF_RESOURCES  There is no additional space for HOB creation.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
PeiServicesCreateHob (\r
  IN UINT16                     Type,\r
  IN UINT16                     Length,\r
  IN OUT VOID                   **Hob\r
  )\r
{\r
  EFI_PEI_SERVICES  **PeiServices;\r
\r
  PeiServices = GetPeiServicesTablePointer ();\r
  return (*PeiServices)->CreateHob (PeiServices, Type, Length, Hob);\r
}\r
\r
/**\r
  This service enables PEIMs to discover additional firmware volumes.\r
\r
  @param  Instance              This instance of the firmware volume to find.  The value 0 is the\r
                                Boot Firmware Volume (BFV).\r
  @param  FwVolHeader           Pointer to the firmware volume header of the volume to return.\r
\r
  @retval EFI_SUCCESS           The volume was found.\r
  @retval EFI_NOT_FOUND         The volume was not found.\r
  @retval EFI_INVALID_PARAMETER FwVolHeader is NULL.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
PeiServicesFfsFindNextVolume (\r
  IN UINTN                          Instance,\r
  IN OUT EFI_FIRMWARE_VOLUME_HEADER **FwVolHeader\r
  )\r
{\r
  EFI_PEI_SERVICES  **PeiServices;\r
\r
  PeiServices = GetPeiServicesTablePointer ();\r
  return (*PeiServices)->FfsFindNextVolume (PeiServices, Instance, FwVolHeader);\r
}\r
\r
/**\r
  This service enables PEIMs to discover additional firmware files.\r
\r
  @param  SearchType            A filter to find files only of this type.\r
  @param  FwVolHeader           Pointer to the firmware volume header of the volume to search.\r
                                This parameter must point to a valid FFS volume.\r
  @param  FileHeader            Pointer to the current file from which to begin searching.\r
\r
  @retval EFI_SUCCESS           The file was found.\r
  @retval EFI_NOT_FOUND         The file was not found.\r
  @retval EFI_NOT_FOUND         The header checksum was not zero.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
PeiServicesFfsFindNextFile (\r
  IN EFI_FV_FILETYPE            SearchType,\r
  IN EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader,\r
  IN OUT EFI_FFS_FILE_HEADER    **FileHeader\r
  )\r
{\r
  EFI_PEI_SERVICES  **PeiServices;\r
\r
  PeiServices = GetPeiServicesTablePointer ();\r
  return (*PeiServices)->FfsFindNextFile (PeiServices, SearchType, FwVolHeader, FileHeader);\r
}\r
\r
/**\r
  This service enables PEIMs to discover sections of a given type within a valid FFS file.\r
\r
  @param  SearchType            The value of the section type to find.\r
  @param  FfsFileHeader         A pointer to the file header that contains the set of sections to\r
                                be searched.\r
  @param  SectionData           A pointer to the discovered section, if successful.\r
\r
  @retval EFI_SUCCESS           The section was found.\r
  @retval EFI_NOT_FOUND         The section was not found.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
PeiServicesFfsFindSectionData (\r
  IN EFI_SECTION_TYPE           SectionType,\r
  IN EFI_FFS_FILE_HEADER        *FfsFileHeader,\r
  IN OUT VOID                   **SectionData\r
  )\r
{\r
  EFI_PEI_SERVICES  **PeiServices;\r
\r
  PeiServices = GetPeiServicesTablePointer ();\r
  return (*PeiServices)->FfsFindSectionData (PeiServices, SectionType, FfsFileHeader, SectionData);\r
}\r
\r
/**\r
  This service enables PEIMs to register the permanent memory configuration\r
  that has been initialized with the PEI Foundation.\r
\r
  @param  MemoryBegin           The value of a region of installed memory.\r
  @param  MemoryLength          The corresponding length of a region of installed memory.\r
\r
  @retval EFI_SUCCESS           The region was successfully installed in a HOB.\r
  @retval EFI_INVALID_PARAMETER MemoryBegin and MemoryLength are illegal for this system.\r
  @retval EFI_OUT_OF_RESOURCES  There is no additional space for HOB creation.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
PeiServicesInstallPeiMemory (\r
  IN EFI_PHYSICAL_ADDRESS       MemoryBegin,\r
  IN UINT64                     MemoryLength\r
  )\r
{\r
  EFI_PEI_SERVICES  **PeiServices;\r
\r
  PeiServices = GetPeiServicesTablePointer ();\r
  return (*PeiServices)->InstallPeiMemory (PeiServices, MemoryBegin, MemoryLength);\r
}\r
\r
/**\r
  This service enables PEIMs to allocate memory after the permanent memory has been installed by a\r
  PEIM.\r
\r
  @param  MemoryType            Type of memory to allocate.\r
  @param  Pages                 Number of pages to allocate.\r
  @param  Memory                Pointer of memory allocated.\r
\r
  @retval EFI_SUCCESS           The memory range was successfully allocated.\r
  @retval EFI_INVALID_PARAMETER Type is not equal to AllocateAnyPages.\r
  @retval EFI_NOT_AVAILABLE_YET Called with permanent memory not available.\r
  @retval EFI_OUT_OF_RESOURCES  The pages could not be allocated.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
PeiServicesAllocatePages (\r
  IN EFI_MEMORY_TYPE            MemoryType,\r
  IN UINTN                      Pages,\r
  IN OUT EFI_PHYSICAL_ADDRESS   *Memory\r
  )\r
{\r
  EFI_PEI_SERVICES  **PeiServices;\r
\r
  PeiServices = GetPeiServicesTablePointer ();\r
  return (*PeiServices)->AllocatePages (PeiServices, MemoryType, Pages, Memory);\r
}\r
\r
/**\r
  This service allocates memory from the Hand-Off Block (HOB) heap.\r
\r
  @param  Size                  The number of bytes to allocate from the pool.\r
  @param  Buffer                If the call succeeds, a pointer to a pointer to the allocate\r
                                buffer; undefined otherwise.\r
\r
  @retval EFI_SUCCESS           The allocation was successful\r
  @retval EFI_OUT_OF_RESOURCES  There is not enough heap to allocate the requested size.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
PeiServicesAllocatePool (\r
  IN UINTN                      Size,\r
  OUT VOID                      **Buffer\r
  )\r
{\r
  EFI_PEI_SERVICES  **PeiServices;\r
\r
  PeiServices = GetPeiServicesTablePointer ();\r
  return (*PeiServices)->AllocatePool (PeiServices, Size, Buffer);\r
}\r
\r
/**\r
  This service resets the entire platform, including all processors and devices, and reboots the\r
  system.\r
\r
  @retval EFI_NOT_AVAILABLE_YET The service has not been installed yet.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
PeiServicesResetSystem (\r
  VOID\r
  )\r
{\r
  EFI_PEI_SERVICES  **PeiServices;\r
\r
  PeiServices = GetPeiServicesTablePointer ();\r
  return (*PeiServices)->ResetSystem (PeiServices);\r
}\r
Commit	Line	Data
738ec565	1	/** @file\r
	2	Implementation for PEI Services Library.\r
	3	\r
	4	Copyright (c) 2006 - 2007, Intel Corporation<BR>\r
	5	All rights reserved. This program and the accompanying materials\r
	6	are licensed and made available under the terms and conditions of the BSD License\r
	7	which accompanies this distribution. The full text of the license may be found at\r
	8	http://opensource.org/licenses/bsd-license.php\r
	9	\r
	10	THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
	11	WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
	12	\r
	13	Module Name: PeiServicesLib.c\r
	14	\r
	15	**/\r
	16	\r
	17	//\r
c7d265a9	18	// The package level header files this module uses\r
738ec565	19	//\r
c7d265a9	20	#include <PiPei.h>\r
	21	//\r
	22	// The protocols, PPI and GUID defintions for this module\r
	23	//\r
	24	//\r
	25	// The Library classes this module consumes\r
	26	//\r
	27	#include <Library/PeiServicesLib.h>\r
	28	#include <Library/PeiServicesTablePointerLib.h>\r
738ec565	29	\r
	30	/**\r
	31	This service enables a given PEIM to register an interface into the PEI Foundation.\r
	32	\r
	33	@param PpiList A pointer to the list of interfaces that the caller shall install.\r
	34	\r
	35	@retval EFI_SUCCESS The interface was successfully installed.\r
	36	@retval EFI_INVALID_PARAMETER The PpiList pointer is NULL.\r
	37	@retval EFI_INVALID_PARAMETER Any of the PEI PPI descriptors in the list do not have the\r
	38	EFI_PEI_PPI_DESCRIPTOR_PPI bit set in the Flags field.\r
	39	@retval EFI_OUT_OF_RESOURCES There is no additional space in the PPI database.\r
	40	\r
	41	**/\r
	42	EFI_STATUS\r
	43	EFIAPI\r
	44	PeiServicesInstallPpi (\r
	45	IN EFI_PEI_PPI_DESCRIPTOR *PpiList\r
	46	)\r
	47	{\r
	48	EFI_PEI_SERVICES **PeiServices;\r
	49	\r
	50	PeiServices = GetPeiServicesTablePointer ();\r
	51	return (*PeiServices)->InstallPpi (PeiServices, PpiList);\r
	52	}\r
	53	\r
	54	/**\r
	55	This service enables PEIMs to replace an entry in the PPI database with an alternate entry.\r
	56	\r
	57	@param OldPpi Pointer to the old PEI PPI Descriptors.\r
	58	@param NewPpi Pointer to the new PEI PPI Descriptors.\r
	59	\r
	60	@retval EFI_SUCCESS The interface was successfully installed.\r
	61	@retval EFI_INVALID_PARAMETER The OldPpi or NewPpi is NULL.\r
	62	@retval EFI_INVALID_PARAMETER Any of the PEI PPI descriptors in the list do not have the\r
	63	EFI_PEI_PPI_DESCRIPTOR_PPI bit set in the Flags field.\r
	64	@retval EFI_OUT_OF_RESOURCES There is no additional space in the PPI database.\r
	65	@retval EFI_NOT_FOUND The PPI for which the reinstallation was requested has not been\r
	66	installed.\r
	67	\r
	68	**/\r
	69	EFI_STATUS\r
	70	EFIAPI\r
	71	PeiServicesReInstallPpi (\r
	72	IN EFI_PEI_PPI_DESCRIPTOR *OldPpi,\r
	73	IN EFI_PEI_PPI_DESCRIPTOR *NewPpi\r
	74	)\r
	75	{\r
	76	EFI_PEI_SERVICES **PeiServices;\r
	77	\r
	78	PeiServices = GetPeiServicesTablePointer ();\r
	79	return (*PeiServices)->ReInstallPpi (PeiServices, OldPpi, NewPpi);\r
	80	}\r
	81	\r
	82	/**\r
	83	This service enables PEIMs to discover a given instance of an interface.\r
	84	\r
	85	@param Guid A pointer to the GUID whose corresponding interface needs to be\r
	86	found.\r
	87	@param Instance The N-th instance of the interface that is required.\r
	88	@param PpiDescriptor A pointer to instance of the EFI_PEI_PPI_DESCRIPTOR.\r
	89	@param Ppi A pointer to the instance of the interface.\r
	90	\r
	91	@retval EFI_SUCCESS The interface was successfully returned.\r
	92	@retval EFI_NOT_FOUND The PPI descriptor is not found in the database.\r
93	\r
94	**/\r
95	EFI_STATUS\r
96	EFIAPI\r
97	PeiServicesLocatePpi (\r
98	IN EFI_GUID *Guid,\r
99	IN UINTN Instance,\r
100	IN OUT EFI_PEI_PPI_DESCRIPTOR **PpiDescriptor,\r
101	IN OUT VOID **Ppi\r
102	)\r
103	{\r
104	EFI_PEI_SERVICES **PeiServices;\r
105	\r
106	PeiServices = GetPeiServicesTablePointer ();\r
107	return (*PeiServices)->LocatePpi (PeiServices, Guid, Instance, PpiDescriptor, Ppi);\r
108	}\r
109	\r
110	/**\r
111	This service enables PEIMs to register a given service to be invoked when another service is\r
112	installed or reinstalled.\r
113	\r
114	@param NotifyList A pointer to the list of notification interfaces that the caller\r
115	shall install.\r
116	\r
117	@retval EFI_SUCCESS The interface was successfully installed.\r
118	@retval EFI_INVALID_PARAMETER The NotifyList pointer is NULL.\r
119	@retval EFI_INVALID_PARAMETER Any of the PEI notify descriptors in the list do not have the\r
120	EFI_PEI_PPI_DESCRIPTOR_NOTIFY_TYPES bit set in the Flags field.\r
121	@retval EFI_OUT_OF_RESOURCES There is no additional space in the PPI database.\r
122	\r
123	**/\r
124	EFI_STATUS\r
125	EFIAPI\r
126	PeiServicesNotifyPpi (\r
127	IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyList\r
128	)\r
129	{\r
130	EFI_PEI_SERVICES **PeiServices;\r
131	\r
132	PeiServices = GetPeiServicesTablePointer ();\r
133	return (*PeiServices)->NotifyPpi (PeiServices, NotifyList);\r
134	}\r
135	\r
136	/**\r
137	This service enables PEIMs to ascertain the present value of the boot mode.\r
138	\r
139	@param BootMode A pointer to contain the value of the boot mode.\r
140	\r
141	@retval EFI_SUCCESS The boot mode was returned successfully.\r
142	@retval EFI_INVALID_PARAMETER BootMode is NULL.\r
143	\r
144	**/\r
145	EFI_STATUS\r
146	EFIAPI\r
147	PeiServicesGetBootMode (\r
148	IN OUT EFI_BOOT_MODE *BootMode\r
149	)\r
150	{\r
151	EFI_PEI_SERVICES **PeiServices;\r
152	\r
153	PeiServices = GetPeiServicesTablePointer ();\r
154	return (*PeiServices)->GetBootMode (PeiServices, BootMode);\r
155	}\r
156	\r
157	/**\r
158	This service enables PEIMs to update the boot mode variable.\r
159	\r
160	@param BootMode The value of the boot mode to set.\r
161	\r
162	@retval EFI_SUCCESS The value was successfully updated\r
163	\r
164	**/\r
165	EFI_STATUS\r
166	EFIAPI\r
167	PeiServicesSetBootMode (\r
168	IN EFI_BOOT_MODE BootMode\r
169	)\r
170	{\r
171	EFI_PEI_SERVICES **PeiServices;\r
172	\r
173	PeiServices = GetPeiServicesTablePointer ();\r
174	return (*PeiServices)->SetBootMode (PeiServices, BootMode);\r
175	}\r
176	\r
177	/**\r
178	This service enables a PEIM to ascertain the address of the list of HOBs in memory.\r
179	\r
180	@param HobList A pointer to the list of HOBs that the PEI Foundation will initialize.\r
181	\r
182	@retval EFI_SUCCESS The list was successfully returned.\r
183	@retval EFI_NOT_AVAILABLE_YET The HOB list is not yet published.\r
184	\r
185	**/\r
186	EFI_STATUS\r
187	EFIAPI\r
188	PeiServicesGetHobList (\r
189	IN OUT VOID **HobList\r
190	)\r
191	{\r
192	EFI_PEI_SERVICES **PeiServices;\r
193	\r
194	PeiServices = GetPeiServicesTablePointer ();\r
195	return (*PeiServices)->GetHobList (PeiServices, HobList);\r
196	}\r
197	\r
198	/**\r
199	This service enables PEIMs to create various types of HOBs.\r
200	\r
201	@param Type The type of HOB to be installed.\r
202	@param Length The length of the HOB to be added.\r
203	@param Hob The address of a pointer that will contain the HOB header.\r
204	\r
205	@retval EFI_SUCCESS The HOB was successfully created.\r
206	@retval EFI_OUT_OF_RESOURCES There is no additional space for HOB creation.\r
207	\r
208	**/\r
209	EFI_STATUS\r
210	EFIAPI\r
211	PeiServicesCreateHob (\r
212	IN UINT16 Type,\r
213	IN UINT16 Length,\r
214	IN OUT VOID **Hob\r
215	)\r
216	{\r
217	EFI_PEI_SERVICES **PeiServices;\r
218	\r
219	PeiServices = GetPeiServicesTablePointer ();\r
220	return (*PeiServices)->CreateHob (PeiServices, Type, Length, Hob);\r
221	}\r
222	\r
223	/**\r
224	This service enables PEIMs to discover additional firmware volumes.\r
225	\r
226	@param Instance This instance of the firmware volume to find. The value 0 is the\r
227	Boot Firmware Volume (BFV).\r
228	@param FwVolHeader Pointer to the firmware volume header of the volume to return.\r
229	\r
230	@retval EFI_SUCCESS The volume was found.\r
231	@retval EFI_NOT_FOUND The volume was not found.\r
232	@retval EFI_INVALID_PARAMETER FwVolHeader is NULL.\r
233	\r
234	**/\r
235	EFI_STATUS\r
236	EFIAPI\r
237	PeiServicesFfsFindNextVolume (\r
238	IN UINTN Instance,\r
239	IN OUT EFI_FIRMWARE_VOLUME_HEADER **FwVolHeader\r
240	)\r
241	{\r
242	EFI_PEI_SERVICES **PeiServices;\r
243	\r
244	PeiServices = GetPeiServicesTablePointer ();\r
245	return (*PeiServices)->FfsFindNextVolume (PeiServices, Instance, FwVolHeader);\r
246	}\r
247	\r
248	/**\r
249	This service enables PEIMs to discover additional firmware files.\r
250	\r
251	@param SearchType A filter to find files only of this type.\r
252	@param FwVolHeader Pointer to the firmware volume header of the volume to search.\r
253	This parameter must point to a valid FFS volume.\r
254	@param FileHeader Pointer to the current file from which to begin searching.\r
255	\r
256	@retval EFI_SUCCESS The file was found.\r
257	@retval EFI_NOT_FOUND The file was not found.\r
258	@retval EFI_NOT_FOUND The header checksum was not zero.\r
259	\r
260	**/\r
261	EFI_STATUS\r
262	EFIAPI\r
263	PeiServicesFfsFindNextFile (\r
264	IN EFI_FV_FILETYPE SearchType,\r
265	IN EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader,\r
266	IN OUT EFI_FFS_FILE_HEADER **FileHeader\r
267	)\r
268	{\r
269	EFI_PEI_SERVICES **PeiServices;\r
270	\r
271	PeiServices = GetPeiServicesTablePointer ();\r
272	return (*PeiServices)->FfsFindNextFile (PeiServices, SearchType, FwVolHeader, FileHeader);\r
273	}\r
274	\r
275	/**\r
276	This service enables PEIMs to discover sections of a given type within a valid FFS file.\r
277	\r
278	@param SearchType The value of the section type to find.\r
279	@param FfsFileHeader A pointer to the file header that contains the set of sections to\r
280	be searched.\r
281	@param SectionData A pointer to the discovered section, if successful.\r
282	\r
283	@retval EFI_SUCCESS The section was found.\r
284	@retval EFI_NOT_FOUND The section was not found.\r
285	\r
286	**/\r
287	EFI_STATUS\r
288	EFIAPI\r
289	PeiServicesFfsFindSectionData (\r
290	IN EFI_SECTION_TYPE SectionType,\r
291	IN EFI_FFS_FILE_HEADER *FfsFileHeader,\r
292	IN OUT VOID **SectionData\r
293	)\r
294	{\r
295	EFI_PEI_SERVICES **PeiServices;\r
296	\r
297	PeiServices = GetPeiServicesTablePointer ();\r
298	return (*PeiServices)->FfsFindSectionData (PeiServices, SectionType, FfsFileHeader, SectionData);\r
299	}\r
300	\r
301	/**\r
302	This service enables PEIMs to register the permanent memory configuration\r
303	that has been initialized with the PEI Foundation.\r
304	\r
305	@param MemoryBegin The value of a region of installed memory.\r
306	@param MemoryLength The corresponding length of a region of installed memory.\r
307	\r
308	@retval EFI_SUCCESS The region was successfully installed in a HOB.\r
309	@retval EFI_INVALID_PARAMETER MemoryBegin and MemoryLength are illegal for this system.\r
310	@retval EFI_OUT_OF_RESOURCES There is no additional space for HOB creation.\r
311	\r
312	**/\r
313	EFI_STATUS\r
314	EFIAPI\r
315	PeiServicesInstallPeiMemory (\r
316	IN EFI_PHYSICAL_ADDRESS MemoryBegin,\r
317	IN UINT64 MemoryLength\r
318	)\r
319	{\r
320	EFI_PEI_SERVICES **PeiServices;\r
321	\r
322	PeiServices = GetPeiServicesTablePointer ();\r
323	return (*PeiServices)->InstallPeiMemory (PeiServices, MemoryBegin, MemoryLength);\r
324	}\r
325	\r
326	/**\r
327	This service enables PEIMs to allocate memory after the permanent memory has been installed by a\r
328	PEIM.\r
329	\r
330	@param MemoryType Type of memory to allocate.\r
331	@param Pages Number of pages to allocate.\r
332	@param Memory Pointer of memory allocated.\r
333	\r
334	@retval EFI_SUCCESS The memory range was successfully allocated.\r
335	@retval EFI_INVALID_PARAMETER Type is not equal to AllocateAnyPages.\r
336	@retval EFI_NOT_AVAILABLE_YET Called with permanent memory not available.\r
337	@retval EFI_OUT_OF_RESOURCES The pages could not be allocated.\r
338	\r
339	**/\r
340	EFI_STATUS\r
341	EFIAPI\r
342	PeiServicesAllocatePages (\r
343	IN EFI_MEMORY_TYPE MemoryType,\r
344	IN UINTN Pages,\r
345	IN OUT EFI_PHYSICAL_ADDRESS *Memory\r
346	)\r
347	{\r
348	EFI_PEI_SERVICES **PeiServices;\r
349	\r
350	PeiServices = GetPeiServicesTablePointer ();\r
351	return (*PeiServices)->AllocatePages (PeiServices, MemoryType, Pages, Memory);\r
352	}\r
353	\r
354	/**\r
355	This service allocates memory from the Hand-Off Block (HOB) heap.\r
356	\r
357	@param Size The number of bytes to allocate from the pool.\r
358	@param Buffer If the call succeeds, a pointer to a pointer to the allocate\r
359	buffer; undefined otherwise.\r
360	\r
361	@retval EFI_SUCCESS The allocation was successful\r
362	@retval EFI_OUT_OF_RESOURCES There is not enough heap to allocate the requested size.\r
363	\r
364	**/\r
365	EFI_STATUS\r
366	EFIAPI\r
367	PeiServicesAllocatePool (\r
368	IN UINTN Size,\r
369	OUT VOID **Buffer\r
370	)\r
371	{\r
372	EFI_PEI_SERVICES **PeiServices;\r
373	\r
374	PeiServices = GetPeiServicesTablePointer ();\r
375	return (*PeiServices)->AllocatePool (PeiServices, Size, Buffer);\r
376	}\r
377	\r
378	/**\r
379	This service resets the entire platform, including all processors and devices, and reboots the\r
380	system.\r
381	\r
382	@retval EFI_NOT_AVAILABLE_YET The service has not been installed yet.\r
383	\r
384	**/\r
385	EFI_STATUS\r
386	EFIAPI\r
387	PeiServicesResetSystem (\r
388	VOID\r
389	)\r
390	{\r
391	EFI_PEI_SERVICES **PeiServices;\r
392	\r
393	PeiServices = GetPeiServicesTablePointer ();\r
394	return (*PeiServices)->ResetSystem (PeiServices);\r
395	}\r